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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/u-boot/doc/README.dns
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
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-Domain Name System
--------------------------------------------
-
-The Domain Name System (DNS) is a hierarchical naming system for computers,
-services, or any resource participating in the Internet. It associates various
-information with domain names assigned to each of the participants. Most
-importantly, it translates domain names meaningful to humans into the numerical
-(binary) identifiers associated with networking equipment for the purpose of
-locating and addressing these devices world-wide. An often used analogy to
-explain the Domain Name System is that it serves as the "phone book" for the
-Internet by translating human-friendly computer hostnames into IP addresses.
-For example, www.example.com translates to 208.77.188.166.
-
-For more information on DNS - http://en.wikipedia.org/wiki/Domain_Name_System
-
-U-Boot and DNS
-------------------------------------------
-
-CONFIG_CMD_DNS - controls if the 'dns' command is compiled in. If it is, it
- will send name lookups to the dns server (env var 'dnsip')
- Turning this option on will about abou 1k to U-Boot's size.
-
- Example:
-
-bfin> print dnsip
-dnsip=192.168.0.1
-
-bfin> dns www.google.com
-66.102.1.104
-
- By default, dns does nothing except print the IP number on
- the default console - which by itself, would be pretty
- useless. Adding a third argument to the dns command will
- use that as the environment variable to be set.
-
- Example:
-
-bfin> print googleip
-## Error: "googleip" not defined
-bfin> dns www.google.com googleip
-64.233.161.104
-bfin> print googleip
-googleip=64.233.161.104
-bfin> ping ${googleip}
-Using Blackfin EMAC device
-host 64.233.161.104 is alive
-
- In this way, you can lookup, and set many more meaningful
- things.
-
-bfin> sntp
-ntpserverip not set
-bfin> dns pool.ntp.org ntpserverip
-72.18.205.156
-bfin> sntp
-Date: 2009-07-18 Time: 4:06:57
-
- For some helpful things that can be related to DNS in U-Boot,
- look at the top level README for these config options:
- CONFIG_CMD_DHCP
- CONFIG_BOOTP_DNS
- CONFIG_BOOTP_DNS2